Registration Dossier
Registration Dossier
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EC number: 282-817-4 | CAS number: 84434-18-4
Melting point / freezing point
Administrative data
- Endpoint:
- melting point/freezing point
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Guideline study, to GLP.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 016
- Report date:
- 2016
Materials and methods
Test guidelineopen allclose all
- Qualifier:
- according to guideline
- Guideline:
- OECD Guideline 102 (Melting point / Melting Range)
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.1 (Melting / Freezing Temperature)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- method to determine freezing temperature
Test material
- Reference substance name:
- N,2-dimethyl-N-phenylbutyramide
- EC Number:
- 282-817-4
- EC Name:
- N,2-dimethyl-N-phenylbutyramide
- Cas Number:
- 84434-18-4
- Molecular formula:
- C12H17NO
- IUPAC Name:
- N,2-dimethyl-N-phenylbutanamide
- Reference substance name:
- Unknown impurities
- Molecular formula:
- Unknown
- IUPAC Name:
- Unknown impurities
- Test material form:
- liquid
Constituent 1
impurity 1
- Specific details on test material used for the study:
- Name: Gardamide
Physical state: Colourless liquid
Sponsor batch: SC00009161
Purity: 99.8 %
Arrival date: 25 April 2014
Re-test date: 26 October 2014
Storage conditions: Refrigerated (2 – 8°C) and protected from light
Results and discussion
Melting / freezing point
- Melting / freezing pt.:
- 36 °C
- Atm. press.:
- 98.53 kPa
- Remarks on result:
- other: Glass transition at 30°C followed by melting at 36°C (mean rounded values)
Applicant's summary and conclusion
- Conclusions:
- The shape of the first endotherm would suggest a glass transition at a mean, rounded, onset temperature of 30°C (29.82°C Test 1, 29.35°C Test 2) followed by complete liquefaction at a mean, rounded, onset temperature of 36°C (35.50°C Test 1, 36.40°C Test 2). This would suggest that Gardamide softens just prior to melting.
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